Data Sufficiency (DS)

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

488,116

by: bb

29 Aug 2025, 13:27

ER

If x and y are integers, is x even? (1) (x + 2)(y^2 + 7) is even.

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

Bunuel

16 Nov 2020, 01:15

7

4

1,983

17 Nov 2020, 14:16

ER

The number 14x52y is divisible by 11.

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ProfChaos

15 Nov 2020, 08:00

1

6

1,429

15 Nov 2020, 12:04

ER

Z=2a×5b×7c A positive integer Z can be expressed in terms of its prime

805+ (Hard) | Algebra, Exponents

805+ (Hard) | Algebra, Exponents hide tags

niteshwaghray

23 May 2017, 00:34

21

9

3,609

by: MHIKER

12 Nov 2020, 15:56

ER

Is x > y? (1) x and y are both positive integers. (2) x/y > 1

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

joejoe4868

03 Feb 2019, 02:00

1

4

3,141

12 Nov 2020, 09:46

ER

If x is a positive integer then find x? (1) x^2−5x+6=0 (2) x^2=3x

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

GMATinsight

26 Jan 2020, 05:44

7

1,898

by: MHIKER

12 Nov 2020, 07:38

ER

If x < -1, is x+y/x+1 < x-y/x-1?

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

BrentGMATPrepNow

10 Nov 2020, 09:07

1

3

1,469

by: BrentGMATPrepNow

10 Nov 2020, 17:34

ER

What is the sum of the squares of x^2 and y^2?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

07 Nov 2020, 10:18

2

3

1,183

08 Nov 2020, 12:58

ER

When processing iron ore into stainless steel, high-purity oxygen

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rajatchopra1994

06 Nov 2020, 00:29

2

2,607

06 Nov 2020, 10:26

ER

If x is an even integer, is x divisible by 6?

655-705 (Hard) | Multiples and Factors, Number Properties

655-705 (Hard) | Multiples and Factors, Number Properties hide tags

chetan2u

14 Jan 2018, 06:04

19

13

4,062

05 Nov 2020, 16:27

ER

If k is a positive integer, is k a prime number?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

Bunuel

04 Nov 2020, 05:45

2

1,341

05 Nov 2020, 15:46

ER

Is a/b > 0 ?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Carcass

27 Feb 2012, 07:19

3

7

3,584

31 Oct 2020, 07:39

ER

Is x positive? (1) 1/(x+1) < 1/(x-1) where x ≠ 1; x ≠ -1 (2) x is eve

655-705 (Hard) | Algebra, Inequalities

655-705 (Hard) | Algebra, Inequalities hide tags

siddharthkapoor

19 Oct 2020, 03:22

5

6

1,789

by: Pankaj0901

29 Oct 2020, 11:25

ER

What is the value of x?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

audiogal101

29 Nov 2013, 04:06

3

5

2,922

28 Oct 2020, 09:07

ER

If x and y are positive integers, what is the remainder when

555-605 (Medium) | Exponents, Remainders

555-605 (Medium) | Exponents, Remainders hide tags

MathRevolution

25 May 2018, 02:38

10

8

3,420

27 Oct 2020, 10:05

ER

If n is an integer, what is the remainder when 3+8n is divided by 6?

605-655 (Medium) | Multiples and Factors, Number Properties

605-655 (Medium) | Multiples and Factors, Number Properties hide tags

TheUltimateWinner

25 Oct 2020, 09:04

4

6

1,659

by: PRAJESH0133

26 Oct 2020, 10:44

ER

If the length of arc ACB in the circle above is 5p, is the length of A

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

Bunuel

17 Oct 2020, 12:26

7

8

2,195

23 Oct 2020, 08:54

ER

What is the value of C + B? (1) A + B = C + D = E + F (2) (E + F) =

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

22 Oct 2020, 00:15

6

2,428

by: akadiyan

22 Oct 2020, 20:53

ER

Is x/y = 1 ? (1) x^3/y^3 = 1 (2) x^2/y^2 = 1

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Niveditha28

19 Oct 2020, 05:47

3

4

1,519

by: MathRevolution

20 Oct 2020, 11:01

ER

What is the remainder when positive integer n, where n≥5, is divided b

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

TheUltimateWinner

19 Oct 2020, 08:07

3

4

1,636

19 Oct 2020, 22:28

ER

A saltwater solution completely fills a glass cylinder. If the solutio

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Yash12345

05 Sep 2015, 12:47

16

7

8,023

18 Oct 2020, 22:39

ER

If integer x ≥ 1, is x an even number? (1) x^3 - x^2 - x is an even

605-655 (Medium) | Number Properties

605-655 (Medium) | Number Properties hide tags

Bunuel

17 Oct 2020, 13:52

2

1,451

18 Oct 2020, 06:45

ER

Is X an even integer ?

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AnisMURR

12 Oct 2020, 10:58

4

5

1,207

by: VoltAmpere

15 Oct 2020, 17:49

ER

Cyclist A leaves point X at 12 noon and travels at constant velocity

555-605 (Medium) | Distance and Speed Problems

555-605 (Medium) | Distance and Speed Problems hide tags

Bunuel

15 Oct 2019, 23:32

3

4

2,203

14 Oct 2020, 08:37

ER

If a and b are integers, is ab > 0? (1) b = a (2) a > 2

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

btrg

16 Apr 2019, 09:10

2

4

1,984

by: chetan2u

14 Oct 2020, 05:46

ER

If △ represents either ordinary division or ordinary multiplication

Sub 505 (Easy) | Arithmetic, Functions and Custom Characters

Sub 505 (Easy) | Arithmetic, Functions and Custom Characters hide tags

Bunuel

08 Oct 2020, 00:15

9

4

3,518

by: Akp880

08 Oct 2020, 05:41

ER

Let u, v, and w denote the lengths of three separate line segments. In

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Bunuel

08 Oct 2020, 00:15

16

4

2,086

08 Oct 2020, 05:24

ER

x is a positive integer such as 0<x<22. Is x a perfect squar

805+ (Hard) | Number Properties

805+ (Hard) | Number Properties hide tags

SaidNassar1991

05 Oct 2020, 13:41

6

5

1,632

06 Oct 2020, 17:02

ER

Is uv > 0? (1) u^2v^3 < 0 (2) uv^2 < 0

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

Bunuel

05 Oct 2020, 02:45

2

4

2,957

by: MathRevolution

06 Oct 2020, 11:06

ER

What is the charge per hour of the 1st year associate at a law firm?

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

02 Oct 2020, 01:30

1

2

985

04 Oct 2020, 13:51

ER

What is the remainder when a positive integer w is divided by 2?

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

25 Oct 2016, 23:37

1

5

2,601

by: GMATinsight

02 Oct 2020, 00:20

ER

If k is a positive integer, is k an integer?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

gmatser1

23 Jun 2015, 01:01

11

7

3,462

by: MHIKER

22 Sep 2020, 09:40

ER

Is x=1?

705-805 (Hard) | Fractions and Ratios

705-805 (Hard) | Fractions and Ratios hide tags

bagdbmba

18 Jun 2013, 09:16

48

3

5,143

22 Sep 2020, 01:01

ER

A box contains red, blue, yellow and orange balls in the ratio of 7:4:

555-605 (Medium) | Fractions and Ratios

555-605 (Medium) | Fractions and Ratios hide tags

Russ19

20 Sep 2020, 05:32

3

3,348

21 Sep 2020, 07:45

ER

If a + b + c = 50, what is the value of a ?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

Bunuel

22 Feb 2018, 21:08

3

8

3,061

by: MathRevolution

18 Sep 2020, 05:59

ER

In the xy – plane, what is the slope of line perpendicular

605-655 (Medium) | Coordinate Plane

605-655 (Medium) | Coordinate Plane hide tags

MichelleSavina

23 Jan 2011, 11:38

14

6

15,925

16 Sep 2020, 19:43

ER

If m and n are positive integers, is m greater than n ?

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

15 Sep 2020, 04:30

3

4

3,687

by: Akp880

15 Sep 2020, 06:12

ER

If 5w + 3v = 13, what is the value of vw ? (1) w > 0 (2) w/v = 2

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

13 Sep 2020, 03:00

2

3

3,019

13 Sep 2020, 03:42

ER

If x is a positive integer, is x^2 divisible by 24?

505-555 (Easy) | Multiples and Factors

505-555 (Easy) | Multiples and Factors hide tags

QuantMadeEasy

06 Sep 2020, 09:52

2

3

1,568

10 Sep 2020, 17:06

ER

is x negative?

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

1, 2

GMATBusters

04 Jan 2020, 18:57

7

23

5,878

by: ScottTargetTestPrep

10 Sep 2020, 07:14

ER

If x,y,z are different prime numbers. What is the value of y?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

stonecold

03 Nov 2016, 09:28

2

4

2,677

09 Sep 2020, 16:30

ER

Is x > x^2? (1) x^2 is less than 1 but greater than 0. (2) x^3 is less

705-805 (Hard) | Inequalities

705-805 (Hard) | Inequalities hide tags

Lampard42

17 Jun 2019, 05:33

7

6

2,916

07 Sep 2020, 03:57

ER

Is xy > 1? (1) x > 1/y (2) y is positive

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

kawal27

01 Sep 2020, 12:16

3

1,342

02 Sep 2020, 07:22

ER

What is the value of N?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

MichelleSavina

23 Jan 2011, 03:19

12

4

11,767

01 Sep 2020, 10:13

ER

What is the value of a – b?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

AbdurRakib

05 Jun 2016, 14:02

8

5

4,256

28 Aug 2020, 02:06

ER

Is y equal to 25% greater than x? (I) 75% of x is equal to 60% of y. (

505-555 (Easy) | Percent and Interest Problems

505-555 (Easy) | Percent and Interest Problems hide tags

Russ19

27 Aug 2020, 06:02

3

1,360

by: EgmatQuantExpert

27 Aug 2020, 08:43

ER

If x is an integer, what is the remainder when |1 - x^2| is divided by

655-705 (Hard) | Number Properties, Remainders

655-705 (Hard) | Number Properties, Remainders hide tags

Bunuel

15 May 2015, 04:32

27

10

5,381

by: AdiBir

11 Aug 2020, 10:43

ER

What is the value of integer n if the inequality 30 > n > 9 holds?

Sub 505 (Easy) | Multiples and Factors, Remainders

Sub 505 (Easy) | Multiples and Factors, Remainders hide tags

Bunuel

16 Jul 2015, 01:22

15

9

4,475

06 Aug 2020, 07:15

ER

In the diagram above, line BC touches the circle at point C, and the

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

Bunuel

17 Jul 2016, 11:27

8

6

3,704

by: agar123

05 Aug 2020, 08:59

ER

What is the area of rectangle ABCD? (1) The length of side AB is 2 uni

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Bunuel

03 Jun 2020, 23:55

2

9

6,462

by: fmcgee1

01 Aug 2020, 20:01

ER

Is x = 9?

505-555 (Easy) | Algebra

505-555 (Easy) | Algebra hide tags

rockroars

10 Nov 2010, 04:53

3

4

3,705